Pneumatic Control Valve Manufacturer

The fast-response, naturally explosion-proof pneumatic control valve can be used in flammable and explosive locations.

Accurately Respond to Rapid Load Changes

Hearken pneumatic control valve has a compact structure and its internal parts are designed to be impact-resistant, which can maintain stable control even in harsh working conditions. It is driven by compressed air and equipped with a pneumatic positioner to cope with application environments with rapid load changes.

Pneumatic Diaphragm Control Valve with Positioner

Focus on Producing Pneumatic Control Valves

Hearken pneumatic control valves are flexibly compatible with various high-pressure and low-pressure pipeline systems, providing a variety of interface standard options including threads, socket welds, integral pipes, welding flanges, butt weld ends, etc., without the need for additional accessories, and perfectly integrated with international standard automation systems.

Hearken Pneumatic Control Valve

From high-temperature steam systems to low-temperature regulation, Hearken selection includes single-seat, cage-guided, and diaphragm-operated valves, each designed to meet specific control needs.

Pressure balanced single seated globe control valve with green linear pneumatic actuator

Cage Guided Single Seated Control Valve

Replaces the upper seat with a dynamic balanced seal ring to achieve tight Class V/VI shut-off while maintaining low actuation thrust under high differential pressures.

Cage Guided Double Seated Control Valve

Features an all-metal dual-port construction that eliminates soft seals to provide reliable mechanical balance and maximum flow capacity across a wider temperature range (-196°C to 570°C).

Low noise multi hole cage control valve with pneumatic linear actuator and air filter regulator

Low Noise Cage Guided Control Valve

Replaces the standard window cage with a perforated multi-hole sleeve to suppress cavitation erosion, absorb kinetic energy, and cut aerodynamic throttling noise by 15–25 dBA.

Pneumatic Diaphragm Control Valve with Smart Positioner

Achieve absolute flow precision with effortless auto-calibration and real-time digital monitoring, eliminating manual errors

Pneumatic High Temperature Control Valve

Ensures stability and reliability under extreme temperature conditions and can easily handle high differential pressures, making it an ideal choice for your high temperature process control.

Cage Guide Pneumatic Globe Valve

With a cage-guided design, this valve can achieve precise control and stability, making it ideal for high differential pressure applications.

Three-way Pneumatic Pressure Control Valve

It is used for the control of flow separation and confluence in automation systems (such as heating/cooling, pressure balance control in circulation systems).

Pneumatic High Pressure Diaphragm Control Valve

It is designed for high-pressure media and is widely used in high-pressure requirements, such as pure water, oil and gas, precision filling and other applications.

Pneumatic Diaphragm Low Temperature Regulating Valve

It is designed for low-temperature applications, such as cryogenic gas, cryogenic refrigeration, liquid nitrogen and other process systems.

Pneumatic Diaphragm Angle Control Valve

It is usually installed in narrow spaces or corners, which can effectively save space.

Three Way Diaphragm Operated Control Valve

Flexible to achieve fluid mixing or diversion operations, the application of diaphragm control technology improves the overall stability of your system

Automation Pneumatic Control Valve For Gas Steam

Ensures stable operation in gas and steam systems, ideal for your industrial process control.

Pneumatic Bellows Sealed Sleeve Control Valve

Double-sealed zero-leakage Hearken pneumatic control valve can be used to control corrosive and volatile media.

Bellow Seal PFA Lined Globe Control Valve

Using PFA lining, it is suitable for highly corrosive media and is widely used in chemical, semiconductor, fine chemical and other industries.

Pneumatic Medium Pressure Steam Control Valves

Designed for medium-pressure steam fluid applications, such as steam heating, power generation, heat exchange systems, etc.

Why Choose Hearken Pneumatic Control Valves?

Large Flow Rate

The Hearken pneumatic control valve adopts unobstructed flow channel design, which is particularly suitable for large flow and large diameter pipeline systems, effectively reducing pressure loss and improving operating efficiency.

Easy Maintenance

Simple structure and quick-install design greatly reduce the difficulty of disassembly and assembly and system downtime, reduce maintenance costs, and improve equipment operation and maintenance efficiency.

Low Energy Consumption

It is driven by compressed air, does not require continuous electricity supply, and has low operating costs. It is especially suitable for your continuously running industrial automation system to help save energy and reduce emissions.

Buffering Characteristics

The opening and closing speed is adjustable, the flow output is stable, and it has good buffering performance, which effectively prevents water hammer impact, protects system pipelines, and extends the service life of valves.

Reliable Sealing

High sealing structure design, almost zero leakage, can effectively prevent medium leakage and environmental pollution, ensure system safety and process cleanliness, and is particularly suitable for food, pharmaceutical, chemical and other industries.

Quick Response

The Hearken Flow pneumatic control valve uses pneumatic drive with fast response speed, which is suitable for control occasions with high requirements for opening and closing time, ensuring timely and accurate fluid control in high-frequency actions of the system.

Multi-Media Compatibility

Hearken pneumatic control valve uses highly corrosion-resistant valve body material, and the valve seat and diaphragm material of the pneumatic control valve can be selected according to different application characteristics, providing you with high chemical resistance material options including PTFE, EPDM, FPM (Viton), PFA lining and other high chemical resistance materials.

The Hearken pneumatic control valve can be used for a series of special media including hydrochloric acid, sulfuric acid, hydrofluoric acid, alkali, volatile, high viscosity, suspended media and so on.

Low Maintenance, High Performance

Hearken pneumatic control valves are designed to handle highly corrosive media and maintain performance over time. They have a certain self-cleaning ability, reducing the need for frequent maintenance. The simple design makes maintenance easier, thereby reducing downtime and maintenance costs. This allows your automation system to have a longer service life and higher operating efficiency.

Applicable to Humid Environment Conditions

A Hearken pneumatic control valve can effectively prevent moisture intrusion and damage to internal pneumatic parts by strengthening the sealing structure. The pneumatic control valve body is made of corrosion-resistant materials such as carbon steel, stainless steel, Hastelloy C, Monel, and No. 20 alloy, and the surface is covered with a strong anti-corrosion coating, so that Hearken pneumatic control valve can also work stably in the humid environment of water treatment applications.

Production

Pneumatic Control Valve Production Process

Raw Material and Component Testing

Hearken pneumatic control valves will undergo chemical composition analysis, mechanical property testing, seal material testing, outsourcing parts inspection and size testing at the raw material stage and component stage to ensure that the raw materials and components meet the standard requirements.

Processing and Assembly Control

During the processing and assembly stages, Hearken pneumatic control valves will undergo precision machining, surface treatment, protective coating spraying, cleaning process treatment and final standardized assembly, and relevant performance testing will be performed after each assembly step.

Overall Testing and Performance Testing Before Delivery

In order to ensure that the pneumatic control valve can be put into use directly after you receive it, Hearken technical workers will conduct performance quality tests on each pneumatic control valve including air tightness, strength, response time, number of switches, appearance and accessory functions before delivery.

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Professional Selection, Flexible Accessories

Professional Selection

If you find it difficult to select your project, Hearken professional technical team will help you choose without worries. According to the project requirements, working conditions, control accuracy, size, color, performance requirements, protection requirements and other information you provide, we will provide you with stable, efficient, cost-effective selection and accessory spare parts suggestions to help you choose without worries and achieve safe and stable operation of the automation system.

Accessories

All parts of Hearken pneumatic control valves are standardized, saving your spare parts procurement and maintenance time.
At the same time, each Hearken pneumatic control valve is equipped with an international standard interface, which can flexibly install various accessories. Hearken provides you with a series of related accessories including valve positioners, converters, solenoid valves, gas filters, etc., which can improve the quality of the gas source and greatly improve production efficiency.

Your Professional Pneumatic Control Valve Manufacturer in China

The pneumatic control valve effectively reduces operating noise and inhibits cavitation by optimizing the throttling structure and exhaust channel, ensuring strong thrust output under various working conditions and meeting high-frequency and high-load automation control requirements.

Pneumatic Control Valves by Application

Automotive Manufacturing

The Hearken pneumatic control valves with fast opening and closing speed and precise regulation are widely used in automated processes such as spraying lines and assembly lines for fluid control such as gas, paint, and coolant.

Semiconductor Manufacturing

For high clean working conditions, Hearken pneumatic control valves have ultra-low leakage rate and clean material structure, which can be used for precise regulation of key media such as ultrapure water and chemical gases.

Medicine

The high sealing performance and aseptic structure design make Hearken pneumatic control valve suitable for clean gas, pure water, aseptic liquid and other medical industries that require extremely high cleanliness and control accuracy.

Metallurgy

Hearken pneumatic control valves are wear-resistant, corrosion-resistant and shock-resistant, suitable for harsh environments such as high dust and high temperature, and widely used for flow regulation of media such as dust removal gas and smelting tail gas.

Petroleum

Under high temperature, high pressure and heavy load conditions, Hearken pneumatic control valves still operate stably and reliably, and are often used in the automated fluid control links of oil transportation, distribution systems and oilfield wellheads.

Water / Wastewater Treatment

Adapting to humid and corrosive working conditions, Hearken pneumatic control valves are widely used in key nodes such as clean water, sewage, and dosing systems to ensure stable operation and efficient regulation of the system.

Light Industry

Adopting easy-to-clean structure and quick-install design, Hearken pneumatic control valves are widely used in clean fluid regulation systems in food, beverage, daily chemical and other industries to meet the requirements of rapid disassembly and sanitation.

Chemical Industry

Thanks to its excellent chemical corrosion resistance and sealing structure, Hearken pneumatic control valves are widely used in the transportation and regulation systems of various acidic and alkaline media and corrosive gases/liquids to ensure process safety and flow stability.

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